From: Christoph Hellwig <hch@infradead.org>
To: Hugh Dickins <hugh@veritas.com>
Cc: Christoph Hellwig <hch@infradead.org>, Jes Sorensen <jes@sgi.com>,
Dmitry Monakhov <dmonakhov@sw.ru>,
linux-kernel@vger.kernel.org
Subject: Re: [patch] mm: recheck lock rlim after f_op->mmap() method
Date: Fri, 13 Jul 2007 10:53:37 +0100 [thread overview]
Message-ID: <20070713095337.GB16304@infradead.org> (raw)
In-Reply-To: <Pine.LNX.4.64.0707111826530.22786@blonde.wat.veritas.com>
On Wed, Jul 11, 2007 at 07:03:36PM +0100, Hugh Dickins wrote:
> Well, they'll get what they deserve. I'm not convinced Dmitry's right
> about their nopage; and I'm not going to waste any more time working
> out ways to protect ourselves from them. Let's stick with the mspec.
I'm not just concerned about the ati driver. There's a lot of driver
that do or did really stupid stuff with mmap, including in-tree drivers.
the actual mmap() code is not actually a fastpath so additional sanity
checks can't hurt. It might not be worth the effort for ->nopage, though.
next prev parent reply other threads:[~2007-07-13 9:54 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-09 18:49 Dmitry Monakhov
2007-07-10 17:27 ` Hugh Dickins
2007-07-10 17:53 ` Dmitry Monakhov
2007-07-10 19:48 ` Hugh Dickins
2007-07-11 8:39 ` Jes Sorensen
2007-07-11 18:24 ` Hugh Dickins
2007-07-11 9:32 ` Christoph Hellwig
2007-07-11 10:12 ` Dmitry Monakhov
2007-07-11 10:14 ` Christoph Hellwig
2007-07-11 18:03 ` Hugh Dickins
2007-07-13 9:53 ` Christoph Hellwig [this message]
2007-07-13 8:13 ` Andrew Morton
2007-07-13 13:02 ` Hugh Dickins
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